Forum Replies Created

  • In reply to: 2022 Riesling

    November 12, 2022 at 9:25 am #3015
    Don Graham
    Participant

    My #s on settled juice
    Brix 22
    ph 3.45
    TA 6.8
    YAN 98
    Added tartaric to get the pH down
    Grapes were ripe and some wild ferment had started

    In reply to: 2022 Syrah

    October 31, 2022 at 10:14 am #3006
    Don Graham
    Participant

    My #s on a fairly clear sample after 4 days cold soak
    Brix 22.6
    pH 3.75
    TA 5.6
    YAN 119
    Am considering an acid addition

    In reply to: 2022 Merlot

    October 24, 2022 at 4:19 pm #3000
    Don Graham
    Participant

    My #s for Chris Gebhard’s juice
    Brix 26
    pH 3.67
    TA 4.6
    YAN 83

    In reply to: 2022 Viognier

    October 18, 2022 at 1:58 pm #2998
    Don Graham
    Participant

    Test #s on cleared sample at 20 c
    Brix 23
    pH 3.68
    TA 5.0
    YAN 98
    A 2 g/l tartaric lowered pH to 3.31

    In reply to: 2022 Chardonnay Chemistry

    October 12, 2022 at 5:14 pm #2974
    Don Graham
    Participant

    My #s on cleared juice
    Brix 23.6
    pH 3.20
    TA 6.0
    YAN 56 low
    Added 0.5 g/l tartaric
    Don

    In reply to: 2021 Chardonnay

    October 22, 2021 at 11:28 am #2861
    Don Graham
    Participant

    Don Graham numbers:
    Brix 25.3
    pH 3.60
    TA 5.8
    Added 1.5 g tartaric and in One L sample it loweredpH to3.37
    Added 5 L h2o to drop Brix
    Couldn’t get YAN so am assuming it is low

    In reply to: 2021 Chardonnay

    October 22, 2021 at 11:28 am #2860
    Don Graham
    Participant

    Don Graham numbers:
    Brix 25.3
    pH 3.60
    TA 5.8
    Added 1.5 g tartaric and in One L sample it loweredpH to3.37
    Added 5 L h2o to drop Brix
    Couldn’t get YAN so am assuming it is low

    In reply to: 2021 Pinot Noir

    October 3, 2021 at 1:30 pm #2841
    Don Graham
    Participant

    My test results on clear juice at 20c after 3 days cold soak
    Brix 27
    TA 3.81
    TA 5.0
    YAN 84
    I will lower the pH and the Brix

    In reply to: Chemistry Results for 2020 Pinot Gris

    November 9, 2020 at 5:48 pm #2609
    Don Graham
    Participant

    Brix 22.7
    pH 3.34
    TA 7.0
    YAN 180
    Nice Juice

    In reply to: Viognier Numbers

    October 21, 2020 at 6:13 pm #2579
    Don Graham
    Participant

    Brix 23.2
    pH 3.78
    TA 5
    YAN 56

    In reply to: YAN and Chemistry – 2019 Cabernet Franc Rosé

    October 1, 2019 at 8:56 am #2411
    Don Graham
    Participant

    Brix 19.7
    PH 3.46
    TA 5.8
    YAN 56
    Adding tartaric to getTA 7 and lower pH
    YAN low so adding nutrients at startup

    In reply to: YAN and Chemistry – 2018 Pinot Gris

    November 23, 2018 at 11:59 pm #1793
    Don Graham
    Participant

    My #s
    I whole cluster pressed on the day of delivery and froze the juice
    My sample came from the thawed and cleared juice
    Brix 22.4
    pH 3.15
    T A 8.0
    YAN 126
    Very nice

    In reply to: Chemistry and YAN Posts

    September 30, 2018 at 2:39 pm #1721
    Don Graham
    Participant

    My #s
    Brix 23.2
    pH 3.47
    TA 5.7
    YAN 56
    YAN is low much the same as last year

    In reply to: YAN and Chemistry

    September 22, 2018 at 6:00 pm #1703
    Don Graham
    Participant

    My numbers
    Brix 21.8
    pH 3.5
    TA 4.9
    YAN 112
    Used the new 0.2 M NaOH
    Adding tartaric

    In reply to: Chemisty and YAN Posts – 2017 Malbec

    November 1, 2017 at 9:47 pm #1083
    Don Graham
    Participant

    Brix 22
    Ph 3.68
    TA 4.9
    YAN 140
    Surprisingly low Brix